Garmin g1000 mooney annunciationsandalerts pilots guide m20m m20r Manuale Utente
190-00444-01 Rev. A
Garmin G1000 Annunciations and Alerts Pilot’s Guide for Mooney M20M & M20R
9-15
ANNUNCIATIONS & ALERTS
GRS 77 Message Advisories
Alerts Window Message
Comments
AHRS TAS – AHRS not receiving
airspeed.
airspeed.
The AHRS is not receiving true airspeed from the air data computer. The AHRS relies
on GPS information to augment the lack of airspeed. The G1000 system should be
serviced.
on GPS information to augment the lack of airspeed. The G1000 system should be
serviced.
AHRS GPS – AHRS using backup GPS
source.
source.
The AHRS is using the backup GPS path. Primary GPS path has failed. The G1000
system should be serviced when possible.
system should be serviced when possible.
AHRS GPS – AHRS not receiving any
GPS information.
GPS information.
The AHRS is not receiving any GPS information and not operating in its normal mode.
The G1000 system should be serviced.
The G1000 system should be serviced.
AHRS GPS – AHRS not receiving
backup GPS information.
backup GPS information.
The AHRS is not receiving backup GPS information. The G1000 system should be
serviced.
serviced.
AHRS GPS – AHRS operating
exclusively in no-GPS mode.
exclusively in no-GPS mode.
The AHRS is operating exclusively in no-GPS mode. The G1000 system should be
serviced.
serviced.
MANIFEST – GRS1 software mismatch.
Communication halted.
Communication halted.
The AHRS has incorrect software installed. The G1000 system should be serviced.
BACKUP PATH – AHRS using backup
data path.
data path.
The AHRS is using a backup communication data path. The G1000 system should be
serviced when possible.
serviced when possible.
AHRS SERVICE – AHRS Magnetic-field
model needs update.
model needs update.
The AHRS earth magnetic field model is out of date. Update magnetic field model
when practical.
when practical.
GEO LIMITS – Too far North/South, no
magnetic compass.
magnetic compass.
The aircraft is outside geographical limits for approved AHRS operation. Heading is
flagged as invalid.
flagged as invalid.
GMU 44 Message Advisories
Alerts Window Message
Comments
HDG FAULT – A magnetometer fault
has occurred.
has occurred.
A fault has occurred in the GMU 44. Heading is flagged as invalid. The AHRS uses
GPS for backup mode operation. The G1000 system should be serviced.
GPS for backup mode operation. The G1000 system should be serviced.
MANIFEST – GMU1 software mis-
match. Communication halted.
match. Communication halted.
The GMU 44 has incorrect software installed. The G1000 system should be serviced.